I0010 over LA 427-ACADIAN TW/KCS RR


+30.42420, -91.15105
30°25'27" N, 91°09'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I0010 over LA 427-ACADIAN TW/KCS RR
Structure number:611704501002351
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:107.9 ft. [32.9 m]
Total length:3068.1 ft. [935.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:58
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2014 

Status:Open, no restriction [A]
Average daily traffic:89,640 [as of 2014]
Truck traffic:21% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:58.4 tons [53.1 metric tons]
Inventory rating:34.7 tons [31.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:56.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$11,964,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201456.7Functionally obsoleteSatisfactorySatisfactorySatisfactory89640
December 201256.7Functionally obsoleteSatisfactorySatisfactorySatisfactory84720
December 201056.7Functionally obsoleteSatisfactorySatisfactorySatisfactory94200
December 200856.7Functionally obsoleteSatisfactorySatisfactoryGood89460
December 200653.7Functionally obsoleteSatisfactoryGoodGood80940
December 200453.7Functionally obsoleteGoodGoodGood82140
December 200254.0Functionally obsoleteGoodGoodGood76260
December 200054.0Functionally obsoleteGoodGoodGood66016
December 199854.0Functionally obsoleteGoodVery GoodGood66016
December 199657.0Functionally obsoleteGoodVery GoodGood73576
December 199459.0Functionally obsoleteGoodVery GoodGood60775
December 199259.0Functionally obsoleteGoodVery GoodGood71925
December 199059.0Functionally obsoleteGoodVery GoodGood71925